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From: gert on 12 Apr 2008 14:52 when i do chown gert:root file chmod 777 file chmod g+s file does gert have root permissions when executing the file ?
From: Dan Stromberg on 12 Apr 2008 16:08 On Sat, 12 Apr 2008 11:52:58 -0700, gert wrote: > when i do > > chown gert:root file > chmod 777 file > chmod g+s file > > does gert have root permissions when executing the file ? Unfortunately, there are multiple things called "root" in *ix. There's the root user, sometimes the root group, the base of the filesystem hierarchy, the root user's home directory which is often "/root"... If you do the above: 1) Your process should run with the permissions of the root group, not the root user 2) Other people on the same system may find it considerably easier to run commands in the root group, which may in turn make it considerably easier to get root permission. I'd suggest making the file 755 for starters, not 777. And if you want to make a setgid shell script, you might want to point that out here - there are folks here who can help you do it more securely. If you don't care because this is a singleuser box... may it remain so and without a networked filesystem.
From: Chris Mattern on 12 Apr 2008 18:49 On 2008-04-12, gert <gert.cuykens(a)gmail.com> wrote: > when i do > > chown gert:root file > chmod 777 file > chmod g+s file > > does gert have root permissions when executing the file ? gert has the permissions of the root group while executing the file. However, since the root group doesn't have have any special properties (unlike the root user), and very few files grant special access to the root group, this isn't likely to get you very much. Note that gert can change file to root group ownership only if he is *already* a member of the root group, so he's also not getting anything he didn't have before anyways. -- Christopher Mattern NOTICE Thank you for noticing this new notice Your noticing it has been noted And will be reported to the authorities
From: Maxwell Lol on 13 Apr 2008 08:08 gert <gert.cuykens(a)gmail.com> writes: > when i do > > chown gert:root file > chmod 777 file > chmod g+s file > > does gert have root permissions when executing the file ? Is it a shell script? AFAIK Linux does not support setuid/setgid shell scripts.
From: gert on 21 Apr 2008 07:04
ok thanks all :) |